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"Home economics emerged at the turn of the twentieth century as a movement to train women to be more efficient household managers. At the same moment, American families began to consume many more goods and services than they produced. To guide women in th
A systematic study of the North American species of the aphid genus Myzus Passerini is presented in this publication. It brings together the known species, listing their hosts and giving their distributions, the locations of their types, and descriptions, drawings, and keys for their separation.